One of first Aps for my ipad was the Civil War Today from the history channel.

http://www.amazon.com/L.-J.-Martin/e/B002C4R5VO/ref=sr_ntt_srch_lnk_1?qid=1367839685&sr=8-1

It follows the war as it is happening , day by day, both sides, exactly 150 years ago. So it's in the middle now. Being offered for half off, go figure. I don't follw it everyday but it sure is interesting . Lots of information . Sure there are glitches but for the few bucks its a great deal, IMO. Not sure what I paid , but like $6 or so. I've had it from near the start back in '01 in fall.
Dave
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There are 10 kinds of people.
Those that understand binary and those that don't.